report on the whooping crane's northern breeding grounds
Subtitle: a supplement to  ... The whooping crane.
Series: Research report of the National Auduson Society ; no. 3; Research report ... of the National Audubon Society -- no. 3.
Publisher: National Audubon Society
Published: 1956
Place of publication: New York
Language: eng
Number of pages: 60
Subjects: Whooping crane
Notes: "A joint project of Canadian Wildlife Service, U. S. Fish and Wildlife Service [and] National Audubon Society."

Supplement to The whooping crane, published as Research report of the National Audubon Society, no. 3.

Bibliography: p.54-55.